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Gleason Aces the Mercedes Test

It seems that Mercedes-Benz design engineers never stop searching for ways to improve performance, passenger safety, and comfort. The recent availability of new lightweight,...

Induction Heating for Low-Cost Quality Gears

The gear market is looking for increased gear performance, reduction in gearbox package size, and longer gear life. Industry drivers that support these needs...

Cold Forming for Hot Results

Cold forming involute splines, serrations, oil grooves, snap-ring grooves, threads, and various other features using spline rolling machinery provides many advantages and benefits over...

Epicyclic Gearing: A Handbook

Recent articles in Gear Solutions have discussed epicyclic gearing, but often in the context of experienced engineers. As more and more of these engineers...

The Principles of Workholding: Part I

This article is the first of a mult-part series intended to inform, guide, and assist the gear manufacturing industry in selecting or identifying the...

The LPC Process for High-Alloy Steels

Low pressure carburizing (LPC) in vacuum furnaces has many applications in industrial technologies where high quality, reliability, and repeatability are required. High quality work...

Relative Curvature of Worm & Wheel with Straight Line Generatrix

The contact on single enveloping worm gear drives is the line contact. The changing form of the worm across the face of the gear...

An Advanced Approach to Optimal Gear Design

The theory and practice of gear design is rich with examples of successful and sometimes outstanding combinations of various mathematical, manufacturing, and methodological approaches...

The Foundations of Function-Testing Gear Assemblies

Functional gear testing could be defined as a series of tests that simulate the intended function of the product in an effort to determine...

Battling Gear Infant Mortality

There is a common misconception in the industry that new equipment is more reliable than machinery in operation. In reality, the machines that have...

Improvements in Dimensional Control of Heat Treated Gears

The goals and objectives of this investigation focused on highly distortion-prone gearing (Figure 1) to determine if dimensional improvements could be realized by applying...

Heat Treatment Simulation Can Help Avoid Process Problems

Heat treatment is an indispensable step in the manufacture of steel products, as mechanical properties such as hardness, static, and dynamic strength and toughness...

A Cool Approach to Optimized Bearing Performance

Bearings are a vital component in rotating industrial equipment, and they often represent a significant capital investment. To maintain that investment and avoid costly...

Wear Mechanisms of HSS Cutting Tools

1: Introduction Metal cutting puts extreme demands on the tool and tool material through conditions of high forces, high contact pressures, high temperatures, and intense...

Scuffing Resistance of Isotropic Superfinished Precision Gears

The high performance required from aerospace gears places stringent requirements upon the metallurgical quality, geometry, and surface finish of mating parts. In an effort...

Static and Fatigue Calculations of Wind Turbine Gearboxes: Part II

Wind turbine manufacturers have a vital interest in carrying out gearbox calculations on their own, and for multiple reasons: • Influence on the design proposed...

Forged Gears for Structual Integrity and Product Reliablity

For a primer on the differences between cast and forged gears, who better to turn to than the Forging Industry Association? Read on to...

Next Generation Gear Grinding

What do the gears that end up in trains, wind generators, speed reducers, marine transmissions, off-road equipment, and printing presses have in common? They...

Static and Fatigue Calculations of Wind Turbine Gearboxes: Part I

1 Abstract Wind turbine manufacturers have a vital interest in carrying out gearbox calculations on their own, and for multiple reasons: • Influence on the design...

Supplier Relationships Speed Gearbox Delivery

At Stober Drives, customer orders are filled in the fast lane. The company turns around more than 93 percent of requests for its MGS™...